Home / 29,428.40-44,104.20-13,631.60

Finding the Fourth Proportional to 29,428.40, 44,104.20 and 13,631.60

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Solution

The fourth proportional to 29,428.40, 44,104.20 and 13,631.60 is: 20,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.40 : 44,104.20 = 13,631.60 : x
  2. Step 2: Convert to fraction form
    29,428.40/44,104.20 = 13,631.60/x
  3. Step 3: Cross multiply
    29,428.40x = 44,104.20 × 13,631.60
  4. Step 4: Simplify right side
    29,428.40x = 601,210,812.72
  5. Step 5: Solve for x
    x = 601,210,812.72/29,428.40
  6. Step 6: Final answer
    x = 20,429.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.